问题

I really can’t thank you enough, sir.— __________.

A:That’s the most I could do
B:I’m glad to have been of help
C:No problem
D:With pleasure

正确答案是：

同类题型

The number of people present at the concert was than expected. There were many tickets left. [ ]

_______ provides many hours ofair for astronauts in space.

Look at the sign! It says: You______ park your cars here.

To succeed in doing an experiment,________

下列句子中没有语病的一句是（）